Home / 1,410.28-2,115.01-544.39

Finding the Fourth Proportional to 1,410.28, 2,115.01 and 544.39

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Solution

The fourth proportional to 1,410.28, 2,115.01 and 544.39 is: 816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.28 : 2,115.01 = 544.39 : x
  2. Step 2: Convert to fraction form
    1,410.28/2,115.01 = 544.39/x
  3. Step 3: Cross multiply
    1,410.28x = 2,115.01 × 544.39
  4. Step 4: Simplify right side
    1,410.28x = 1,151,390.29
  5. Step 5: Solve for x
    x = 1,151,390.29/1,410.28
  6. Step 6: Final answer
    x = 816.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.